ADR tank special provision TE20
A safety valve is required, whatever other tank codes the 4.3.4.1.2 hierarchy would allow.
Although the 4.3.4.1.2 hierarchy (rationalized approach) would permit other tank codes, a safety valve must be fitted.
Refers to: 4.3.4.1.2.
Carried by 1 Table A entry
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 6.8.4 (b), TE20, page 536.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.